Year,Value,NumPoints 1895,-1.64023,279 1896,-1.45991,279 1897,6.10162,279 1898,2.34936,279 1899,-0.188343,279 1900,1.58997,279 1901,1.70131,279 1902,-3.14058,279 1903,4.0598,279 1904,1.18107,279 1905,-0.364014,279 1906,-2.05125,279 1907,1.91271,279 1908,4.18061,279 1909,0.53472,279 1910,-0.891435,279 1911,0.627568,279 1912,-0.527075,279 1913,1.39895,279 1914,7.70508,279 1915,-1.23179,279 1916,-3.52838,279 1917,-7.30393,279 1918,-0.299161,279 1919,1.66891,279 1920,0.152733,279 1921,3.72615,279 1922,2.24291,279 1923,-2.6375,279 1924,0.95233,279 1925,0.872642,279 1926,-0.571759,279 1927,0.918335,279 1928,3.52992,279 1929,1.17305,279 1930,4.31243,279 1931,1.28372,279 1932,1.95827,279 1933,-4.36369,279 1934,4.68368,279 1935,-1.36226,279 1936,-1.28986,279 1937,1.39408,279 1938,2.99456,279 1939,3.6667,279 1940,3.16075,279 1941,2.15368,279 1942,-5.18722,279 1943,3.42421,279 1944,3.51058,279 1945,1.46769,279 1946,-4.41726,279 1947,4.4762,279 1948,-3.09043,279 1949,-0.747893,279 1950,1.8588,279 1951,0.595284,279 1952,2.20821,279 1953,1.6945,279 1954,-4.36281,279 1955,-1.09856,279 1956,-4.70237,279 1957,-2.79661,279 1958,1.93927,279 1959,-1.49756,279 1960,6.72214,279 1961,-4.67355,279 1962,1.9041,279 1963,5.68776,279 1964,-5.54927,279 1965,-0.731482,279 1966,-0.862202,279 1967,2.29822,279 1968,-2.20787,279 1969,6.3793,279 1970,-0.175731,279 1971,0.946833,279 1972,2.1665,279 1973,2.61931,279 1974,-2.16562,279 1975,-2.58113,279 1976,1.63799,279 1977,-0.684635,279 1978,4.14307,279 1979,-2.07996,279 1980,-4.77314,279 1981,1.59786,279 1982,3.68531,279 1983,4.09934,279 1984,2.1534,279 1985,7.76659,279 1986,6.85638,279 1987,1.62588,279 1988,4.16607,279 1989,4.91432,279 1990,0.129725,279 1991,0.935115,279 1992,0.68888,279 1993,5.2823,279 1994,0.452667,279 1995,1.67199,279 1996,0.119004,279 1997,1.2647,279 1998,1.53755,279 1999,-2.25417,279 2000,6.45559,279 2001,-0.490048,279 2002,6.67691,279 2003,1.8175,279 2004,3.50323,279 2005,5.94115,279 2006,3.82009,279 2007,3.53382,279 2008,2.60096,279 2009,4.94858,279 2010,-1.51535,279 2011,4.0119,279 2012,-1.03,279 2013,2.96884,279 2014,6.6506,279 2015,3.37008,279 2016,3.11688,279 2017,9.26734,279 2018,4.11217,279 2019,2.6435,279 2020,4.56066,279 2021,2.25333,279 2022,3.23232,279